body {
	background: url(imgs/_tdu.jpg) center repeat-y;
}

#cuerpo {
	width: 700px;
	margin: auto;
}

.titulos {
	margin-top: 100px;
	margin-bottom: 5px;
	font-family: Tahoma, Tunga;
	font-size: 13px;
	color: #343434;
	font-weight: bold;
	text-align: justify;
	margin-left: 15px;
}

.letra_texto{
	margin-top: 100px;
	margin-bottom: 5px;
	font-family: Tahoma, Tunga;
	font-size: 11px;
	color: #343434;
	text-align: justify;
	margin-left: 15px;
}